PRODUCT DESCRIPTION
PEPPERL & FUCHS 911607 - KFD2-SR2-EX1.W.SM Intrinsic Safety Switch Repeater Barrier
Intrinsic safety barrier from the K-System series, engineered for isolating and transmitting discrete signals from hazardous areas to safe area control systems. It provides galvanic isolation and ensures intrinsically safe operation for NAMUR sensors or mechanical contacts, featuring dual-channel switch repeater functionality with relay outputs.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Intrinsic Safety Switch Repeater Barrier
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35V DC
- INPUT: 2-channel, NAMUR sensor or dry contact (hazardous area)
- OUTPUT: 2-channel, SPDT (changeover) relay (safe area)
- SWITCHING FREQUENCY: Up to 5 kHz (NAMUR input)
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Compact DIN rail module
- TERMINALS: Screw terminals
- INTERFACE/CONTROL:
- FUNCTION: Signal conditioning and galvanic isolation
- SAFETY STANDARD: Intrinsic Safety (Ex ia IIC)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- OPERATING TEMPERATURE: -40 °C to +70 °C
- MOUNTING: 35 mm DIN rail
- COMPATIBILITY/APPLICATION:
- HAZARDOUS AREA APPROVALS: ATEX, IECEx, UL, FM (for Ex ia IIC T4/T6)
- SAFETY INTEGRITY LEVEL: Up to SIL 2 (IEC 61508)
- TARGET APPLICATIONS: Process automation, chemical processing, oil and gas, pharmaceutical manufacturing, and other industries requiring intrinsically safe signal transmission.